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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7586 Number of Palindromes   8 1284 46.18
13
14
13875 Knifes Are Fun   11 1281 43.17
3
7
10186 Divisor Digits   6 1279 30.91
8
12
277 City Game   16 1273 38.83
20
21
28308 Ada and Spring Cleaning   51 1272 18.87
18
17
10575 The Yellow Brick Road   7 1270 49.37
8
5
15783 Coder Express 3!!   46 1266 47.63
9
10
10264 Meteors   41 1265 27.34
26
30
14 I-Keyboard   6 1264 43.46
24
23
12319 hai jolly jolly jolly   3 1264 33.90
9
9
18174 REAL ROOTS   15 1261 60.57
6
12
15438 Valences   11 1260 41.59
4
7
6731 Coeficientes   2 1253 50.05
10
9
235 Very Fast Multiplication   23 1251 27.83
26
22
3033 Help the soldier   18 1242 29.02
12
14
377 Taxi   14 1235 28.41
13
16
15241 Luis Quest   2 1234 60.41
3
6
6285 Another Game With Numbers   32 1222 30.55
11
13
7108 Heptadecimal Numbers   9 1220 35.55
2
2
4487 Can you answer these queries VI   25 1219 22.74
34
28
5732 Paradox   42 1219 27.88
16
19
15285 Defend The Rohan   23 1219 43.24
5
8
3943 Nested Dolls   29 1218 23.64
19
26
8222 Substrings   6 1218 29.21
23
26
665 String it out   22 1216 38.76
12
15
2450 Counting Rabbits   8 1213 34.04
10
12
365 Phidias   25 1211 47.21
13
21
56 Dyzio   8 1207 31.46
11
14
7973 Sometimes, a penalty is good!   4 1196 29.41
5
5
2852 Broken Keyboard   19 1194 31.54
14
14
18532 Tree _order   41 1187 46.75
15
10
22776 Balika Vadhu and Alok Nath   61 1185 33.37
14
18
2053 Key Task   37 1173 31.65
24
22
15267 FRIEND CIRCLE   28 1170 27.44
13
11
6779 Can you answer these queries VII   17 1164 19.32
38
27
15891 Prime Generator The Easiest Question Ever   13 1163 46.53
3
8
15554 Niceness of the string   12 1153 36.39
7
2
6172 OAE   6 1152 41.76
11
27
8980 Cost   46 1150 29.46
19
26
10108 Distributing Ballot Boxes   31 1150 36.24
12
16
4200 Hamster flight   13 1149 45.39
5
13
5972 Maximum Sum Sequences   14 1140 20.64
15
18
5977 Weird Function   33 1134 18.84
18
16
1754 Divisor Summation (Hard)   31 1132 15.49
22
21
11371 Answer the boss!   31 1132 34.91
15
15
18180 Love Story 1   13 1131 26.46
9
6
15376 Running Median   15 1124 26.17
11
9
8042 Possible Friends   16 1117 37.06
12
10
5451 Not So Flat After All   9 1116 42.57
11
10
5161 Factorial vs Power   14 1113 26.18
13
15

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